Specimen collection errors:
(1) using contaminated containers
(2) collecting insufficient material
(3) failure to collect different kinds of material (blood, vitreous fluid, urine, bile, viscera, hair, nail clippings)
(4) failure to collect insect larvae for analysis
Specimen handling errors:
(1) using unlabeled or mislabeled containers
(2) failure to maintain chain of custody
(3) allowing specimens to deteriorate prior to analysis
(4) properly stored specimens
(5) failure to retain backup material
(6) requesting excessive or unreasonable testing
